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National Geologic Map Database

Geologic Unit: Clay Mesa

Usage:

Clay Mesa Tongue of Mancos Shale (NM*)


Geologic age:

early Late Cretaceous (Cenomanian)*


Type section, locality, area and/or origin of name:

Type section: in secs. 20 and 21, T. 10 N., R. 5 W., Laguna quadrangle, Valencia Co., NM. Named from exposures on east and south side of Clay Mesa, about 3 mi northwest of Laguna, Valencia Co., NM (Landis and others, 1973).


AAPG geologic province:

San Juan basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).